Table 1.
Characteristics of Older Adults With and Without Obstructive Respiratory Disease, 1992–2002
| Characteristics |
No Obstructive Respiratory Disease |
Obstructive Respiratory Disease |
p-value |
| Number of person-years | 51861 | 21525 | |
| Female, % | 0.61 | 0.56 | <0.01 |
| Race, % | |||
| White | 0.88 | 0.89 | 0.73 |
| Black | 0.09 | 0.08 | <0.01 |
| Other | 0.03 | 0.03 | <0.01 |
| Hispanic, % | 0.04 | 0.04 | <0.01 |
| Income less than $25,000, % | 0.66 | 0.72 | <0.01 |
| Education, % | |||
| Less than High School | 0.22 | 0.26 | <0.01 |
| High School | 0.48 | 0.49 | 0.04 |
| More than High School | 0.29 | 0.24 | <0.01 |
| Drug Coverage, % | |||
| None | 0.47 | 0.42 | <0.01 |
| Medicaid | 0.08 | 0.13 | <0.01 |
| Employer | 0.32 | 0.31 | 0.28 |
| Individual | 0.09 | 0.09 | 0.99 |
| Other Public | 0.05 | 0.06 | <0.01 |
| Regional Characteristics, % | |||
| Resides in MSA | 0.60 | 0.60 | 0.6 |
| Resides in Northeast | 0.20 | 0.19 | <0.01 |
| Resides in Midwest | 0.27 | 0.23 | <0.01 |
| Resides in South | 0.39 | 0.42 | <0.01 |
| Resides in West | 0.14 | 0.16 | <0.01 |
| Number of Chronic Conditions | 1.14 | 1.36 | <0.01 |
| Chronic Conditions, % | |||
| Hypertension | 0.56 | 0.61 | <0.01 |
| Heart Condition | 0.02 | 0.04 | <0.01 |
| Stroke | 0.11 | 0.14 | <0.01 |
| Cancer | 0.18 | 0.22 | <0.01 |
| Diabetes | 0.16 | 0.18 | <0.01 |
| Arthritis | 0.09 | 0.13 | <0.01 |
| Osteoporosis | 0.01 | 0.02 | <0.01 |
| Fair or Poor Health Status, % | 0.19 | 0.34 | <0.01 |
| Limitations in Activities of Daily Living, % | |||
| No Limitations | 0.73 | 0.61 | <0.01 |
| 1 or 2 limitations | 0.18 | 0.25 | <0.01 |
| 3 or 4 limitations | 0.06 | 0.09 | <0.01 |
| 5 or 6 limitations | 0.03 | 0.04 | <0.01 |
| Some or more difficulty walking 2 or 3 blocks or 1/4 mile | 0.32 | 0.50 | <0.01 |
| Smoking History % | |||
| None | 0.47 | 0.31 | <0.01 |
| Former Smoker, % | 0.45 | 0.53 | <0.01 |
| Current Smoker, % | 0.08 | 0.16 | <0.01 |